The word pluff is used to replace a word you can't think of, or in 'poetry,' when the word you want to use doesn't fit with the rhythm scheme. It basically means anything you want it to mean, but can be incredibly confusing if the context is not made clear. Pluff was first brought into existence by Clur

To use seemingly devious methods to force a win in a player’s favor at the end of a game, even if there is no win in sight. Usually, to the frustration and humiliation of the other players, creating a vapid emotional vibe around the entire experience.
Commonly used in the phrase “pluff a win.”

Origins believed to be a variant of the Modern English, “pull off a win,” with gamers frustrated at opponents tactics to win by any means necessary.

Ex. “uh o. Looks like Bob is going to try to pluff a win.”

“Dang it! A win was in my grasp. Looks like Gavin pluffed off a win again.”